123453925

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{347}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 186416640

約数和(自身を除く): 62962715

約数列:

[1, 5, 7, 19, 25, 35, 95, 107, 133, 175, 347, 475, 535, 665, 749, 1735, 2033, 2429, 2675, 3325, 3745, 6593, 8675, 10165, 12145, 14231, 18725, 32965, 37129, 46151, 50825, 60725, 71155, 164825, 185645, 230755, 259903, 355775, 705451, 928225, 1153775, 1299515, 3527255, 4938157, 6497575, 17636275, 24690785, 123453925]

約数ペア:

[(1, 123453925), (5, 24690785), (7, 17636275), (19, 6497575), (25, 4938157), (35, 3527255), (95, 1299515), (107, 1153775), (133, 928225), (175, 705451), (347, 355775), (475, 259903), (535, 230755), (665, 185645), (749, 164825), (1735, 71155), (2033, 60725), (2429, 50825), (2675, 46151), (3325, 37129), (3745, 32965), (6593, 18725), (8675, 14231), (10165, 12145)]